/****************************************************************************
**
** This file is part of the LibreCAD project, a 2D CAD program
**
** Copyright (C) 2010 R. van Twisk (librecad@rvt.dds.nl)
** Copyright (C) 2001-2003 RibbonSoft. All rights reserved.
**
**
** This file may be distributed and/or modified under the terms of the
** GNU General Public License version 2 as published by the Free Software
** Foundation and appearing in the file gpl-2.0.txt included in the
** packaging of this file.
**
** This program is distributed in the hope that it will be useful,
** but WITHOUT ANY WARRANTY; without even the implied warranty of
** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
** GNU General Public License for more details.
**
** You should have received a copy of the GNU General Public License
** along with this program; if not, write to the Free Software
** Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
**
** This copyright notice MUST APPEAR in all copies of the script!
**
**********************************************************************/


#ifndef RS_POINT_H
#define RS_POINT_H

#include "rs_atomicentity.h"

/**
 * Holds the data that defines a point.
 */
struct RS_PointData {
    RS_PointData() = default;
    RS_PointData(const RS_Vector& pos): pos(pos) {}

    friend std::ostream& operator << (std::ostream& os, const RS_PointData& pd);

    RS_Vector pos;
};

/**
 * Class for a point entity.
 *
 * @author Andrew Mustun
 */
class RS_Point:public RS_AtomicEntity {
public:
    RS_Point(
        RS_EntityContainer *parent,
        const RS_PointData &d);
    RS_Entity *clone() const override;
    /**	@return RS_ENTITY_POINT */
    RS2::EntityType rtti() const override;
    /**
         * @return Start point of the entity.
         */
    RS_Vector getStartpoint() const override;
    /**
         * @return End point of the entity.
         */
    RS_Vector getEndpoint() const override;
    void moveStartpoint(const RS_Vector &pos) override;
    /** @return Copy of data that defines the point. */
    RS_PointData getData() const;
    RS_VectorSolutions getRefPoints() const override;
    /** @return Position of the point */
    RS_Vector getPos() const;
    /** Sets a new position for this point. */
    void setPos(const RS_Vector &pos);
    RS_Vector getCenter() const override;
    double getRadius() const override;
    bool isTangent(const RS_CircleData &circleData) const override;
    RS_Vector getMiddlePoint(void) const override;
    RS_Vector getNearestEndpoint(
        const RS_Vector &coord,
        double *dist = nullptr) const override;
    RS_Vector getNearestPointOnEntity(
        const RS_Vector &coord,
        bool onEntity = true, double *dist = nullptr, RS_Entity **entity = nullptr) const override;
    RS_Vector getNearestCenter(
        const RS_Vector &coord,
        double *dist = nullptr) const override;
    RS_Vector getNearestMiddle(
        const RS_Vector &coord,
        double *dist = nullptr,
        int middlePoints = 1) const override;
    RS_Vector getNearestDist(
        double distance,
        const RS_Vector &coord,
        double *dist = nullptr) const override;
    double getDistanceToPoint(
        const RS_Vector &coord,
        RS_Entity **entity = nullptr,
        RS2::ResolveLevel level = RS2::ResolveNone,
        double solidDist = RS_MAXDOUBLE) const override;
    void move(const RS_Vector &offset) override;
    void rotate(const RS_Vector &center, const double &angle) override;
    void rotate(const RS_Vector &center, const RS_Vector &angleVector) override;
    void scale(const RS_Vector &center, const RS_Vector &factor) override;
    void mirror(const RS_Vector &axisPoint1, const RS_Vector &axisPoint2) override;
    RS_Entity &shear(double k) override;
    friend std::ostream &operator<<(std::ostream &os, const RS_Point &p);
    /** Recalculates the borders of this entity. */
    void calculateBorders() override;

    //RS_Vector point;
    void draw(RS_Painter *painter, RS_GraphicView *view, double &patternOffset) override;

protected:
    RS_PointData data;
    int determinePointSreenSize(const RS_Painter *painter, const RS_GraphicView *view, double pdsize) const;
};
#endif
